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  <title>Tell gz-file pointer read/write position</title>
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  <div id="layout-content"><div id="function.gztell" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gztell</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gztell</span> &mdash; <span class="dc-title">Tell gz-file pointer read/write position</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gztell-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gztell</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$zp</code></span>
   ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">
   Gets the position of the given file pointer; i.e., its offset into the
   uncompressed file stream.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.gztell-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">zp</code></dt>

     <dd>

      <p class="para">
       The gz-file pointer. It must be valid, and must point to a file
       successfully opened by <span class="function"><a href="gzopen.html" class="function">gzopen()</a></span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.gztell-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   The position of the file pointer or <strong><code>FALSE</code></strong> if an error occurs.
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.gztell-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="gzopen.html" class="function" rel="rdfs-seeAlso">gzopen()</a> - Open gz-file</span></li>
    <li class="member"><span class="function"><a href="gzseek.html" class="function" rel="rdfs-seeAlso">gzseek()</a> - Seek on a gz-file pointer</span></li>
    <li class="member"><span class="function"><a href="gzrewind.html" class="function" rel="rdfs-seeAlso">gzrewind()</a> - Rewind the position of a gz-file pointer</span></li>
   </ul>
  </p>
 </div>

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